Ratchet drive technology makes it possible to cut smoothly with one hand, and makes it more labor-saving and efficient. It also ensures automatic locking during the cutting process to keep you safe. At the bottom, there is a stainless steel buckle, when not in use, you can lock the safety lock to save space and easy to carry, you can put in your pocket or tool bag. The pipe cutter used to cut most plastics (PVC, CPVC, PP, PEX, PE, rubber hose) and multi-layer pipes. The maximum cutting capacity is up to 1-5 / 8 inch (42mm) diameter. It is an awesome tool for home-owner, professional plumbers, electricians and car mechanics.